#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main()
{
    int n,i,j;
    scanf("%d",&n);
    n--;
    for(i=-n;i<=n;i++)
    {
        for(j=1;j<=abs(i);j++)
            printf(" ");
        for(j=-(n-abs(i));j<=n-abs(i);j++)
        printf("%d",n+1-abs(i)-abs(j));
        printf("\n");
    }
    return 0;
}
